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MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS
L3 Collaboration
1993
发表期刊PHYSICS LETTERS B
卷号317期号:3页码:#REF!
通讯作者ADRIANI, O (reprint author), INFN, I-50125 FLORENCE, ITALY.
文章类型Article
摘要The average lifetime of b hadrons has been measured using the L3 detector at LEP, running at square-root s almost-equal-to M(Z). A b-enriched sample was obtained from 432 538 hadronic Z events collected in 1990 and 1991 by tagging electrons and muons from semileptonic b hadron decays. From maximum likelihood fits to the electron and muon impact parameter distributions, the average b hadron lifetime was measured to be tau(b) = (1535 +/- 35 +/- 28) fs, where the first error is statistical and the second includes both the experimental and the theoretical systematic uncertainties.
学科领域Physics
DOI10.1016/0370-2693(93)91027-K
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1993MF93200036
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227690
专题粒子天体物理中心
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GB/T 7714
L3 Collaboration. MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS[J]. PHYSICS LETTERS B,1993,317(3):#REF!.
APA L3 Collaboration.(1993).MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS.PHYSICS LETTERS B,317(3),#REF!.
MLA L3 Collaboration."MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS".PHYSICS LETTERS B 317.3(1993):#REF!.
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